package service;

import URL.Constants;
import bean.Block;
import com.alibaba.fastjson.JSONObject;
import requerst.HttpUtils;

import java.util.Base64;
import java.util.HashMap;
import java.util.Map;

public class GetBlockCount {
/**
 * @author: dae
 * @email: 675116529@qq.com
 * @phone: 15270029507
 * @DateTime: 2021/12/22 18:59
 * 用于获取区块高度getblockcount
 **/

public  String  getBlockCount(){
    //准备rpc请求的用户身份信息
    String author = Constants.buser+":"+Constants.bpwd;
    Base64.Encoder encoder = Base64.getEncoder();
    String authorBase64 = encoder.encodeToString(author.getBytes());
    Map<String,String> header =new HashMap<>();
    header.put("ContentType","application/json");
    header.put("Authorization","Basic "+authorBase64);
    //准备rpc请求的数据`
    Map<String,Object> body =new HashMap<>();
    body.put("id",1001);
    body.put("method","getblockcount");
    body.put("params",null);
    body.put("json_rpc","2.0");
    byte[] bodyBytes = JSONObject.toJSONBytes(body);

    String result = HttpUtils.post(Constants.brpc_url,header,bodyBytes);
    Block block =JSONObject.parseObject(result, Block.class);

    return block.result;

}

}
